1:Product list: action tracker * 1, vest * 1. bag * 1, APP (search for action tracker in Google Store or Apple Store),2:Product usage precautions: The device needs to be bound for the first time. After the binding is completed, the action tracker works offline and only has one button design. The action tracker cannot be used indoors and needs to be used in an open outdoor area. The signal light is blue, and information can be collected after 10 minutes. The recording time can be up to 2 hours at a time and can be recorded multiple times,,3: The app will automatically switch languages and support multiple languages. We can view athlete trajectories, heat maps, and add multiple members and devices to the app. There is no limit to the number of users, and the data only displays the results of one main member,,4:Before purchasing the GPS tracker, please note that this product can only be used when the GPS signal can be detected outdoors. It cannot be used indoors or in places where GPS positioning cannot be obtained. Before purchasing, you can use your mobile phone navigation to check if the GPS satellite positioning search is normal.,5:Search ‘Action Tracer’ in APP Store or Google play,6:Regarding the selection of tank size: Chest size data can refer to: S/80-(31-34inches)86cm, M/85-96cm(33-38inches), L/90-100cm(35-40inches), XL/96-108cm(38-43), XXL/102-120CM(40-47inches)
Principle By utilizing the BDS+GPS dual mode high-precision locator and relying on the positioning function of the satellite positioning system, it can track the real-time position, activity trajectory, and heat map of players, record their movement time, sprint time, speed and other parameters, and achieve data-driven evaluation of players' technical, tactical, and physical abilities in various aspects